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A Frozen Electronic Shelf Label (Frozen ESL) is a specialized electronic price tag designed for freezers, refrigerated displays, and cold-chain environments. Unlike standard ESLs, freezer ESLs are built to withstand sub-zero temperatures, condensation, and moisture while maintaining stable wireless communication and long battery life. Many freezer models operate at temperatures down to –25°C.

Key Features of Frozen ESL

· Low-temperature operation 

o Typical range: –25°C to +10°C 

o Designed for freezer cabinets and cold storage rooms.

· Waterproof protection 

o Commonly IP67/IP68 

o Resistant to condensation, frost, and wash-down cleaning.

· E-paper display 

o Clear visibility even in cold environments

o Black/white/red or multi-color display options

· Long battery life 

o Up to 10 years under typical update cycles in some enterprise models.

· Wireless connectivity 

o Typically 2.4GHz, NFC, or proprietary protocols

o Supports centralized price updates.

Main Applications

Frozen ESLs are commonly used in:

· Frozen food supermarkets

· Ice cream sections

· Meat and seafood counters

· Refrigerated beverage displays

· Cold-chain warehouses

· Pharmaceutical cold storage

· Fresh produce and dairy areas